Controlled Potentiometers. X9409 Datasheet

X9409 Datasheet PDF, Equivalent


Part Number

X9409

Description

Quad Digitally Controlled Potentiometers

Manufacture

Intersil Corporation

Total Page 19 Pages
PDF Download
Download X9409 Datasheet


X9409 Datasheet
DATASHEET
Low Noise/Low Power/2-Wire Bus Quad Digitally
Controlled Potentiometers (XDCP™)
X9409
The X9409 integrates 4 digitally controlled potentiometers
(XDCP) on a monolithic CMOS integrated microcircuit.
The digitally controlled potentiometer is implemented using
63 resistive elements in a series array. Between each element
are tap points connected to the wiper terminal through
switches. The position of the wiper on the array is controlled by
the user through the 2-wire bus interface. Each potentiometer
has associated with it a volatile Wiper Counter Register (WCR)
and 4 nonvolatile Data Registers (DR0:DR3) that can be
directly written to and read by the user. The contents of the
WCR controls the position of the wiper on the resistor array
through the switches. Power-up recalls the contents of DR0 to
the WCR.
The XDCP can be used as a three-terminal potentiometer or as
a two-terminal variable resistor in a wide variety of
applications including control, parameter adjustments and
signal processing.
Features
• Four potentiometers per package
• 64 resistor taps
• 2-wire serial interface for write, read and transfer operations
of the potentiometer
• 50Ω wiper resistance, typical at 5V
• Four nonvolatile data registers for each potentiometer
• Nonvolatile storage of multiple wiper position
• Power-on recall. Loads saved wiper position on power-up
standby current < 1µA typical
• System VCC: 2.7V operation
• 10kΩ end-to-end resistance
• 100 year data retention
• Endurance: 100,000 data changes per bit per register
• Low power CMOS
• 24 Ld TSSOP
• Pb-free (RoHS compliant)
VCC
VSS
WP
SCL
SDA
A0
A1
A2
A3
INTERFACE
AND
CONTROL
CIRCUITRY
8
DATA
POT 0
R0 R1
WIPER
COUNTER
REGISTER
R2 R3
(WCR)
VH0/RHO
VL0/
RLO
VW0/
RWO
R0 R1 WIPER
COUNTER
REGISTER
R2 R3
(WCR)
RESISTOR
ARRAY
POT 2
VH2/RH2
VL2/RL2
VW2/RW2
R0 R1
R2 R3
WIPER
COUNTER
REGISTER
(WCR)
RESISTOR
ARRAY
POT 1
VW1/
RW1
VH1/
RH1
VL1/RL1
VW3/RW3
R0 R1
R2 R3
WIPER
COUNTER
REGISTER
(WCR)
RESISTOR
ARRAY
Pot 3
VH3/RH3
VL3/RL3
FIGURE 1. BLOCK DIAGRAM
September 3, 2015
FN8192.6
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2005-2006, 2015. All Rights Reserved
Intersil (and design) and XDCP are trademarks owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.

X9409 Datasheet
X9409
Ordering Information
PART NUMBER
(Notes 1, 2, 3)
PART
MARKING
POTENTIOMETER
VCC LIMITS ORGANIZATION
TEMP
(V) (kΩ) RANGE (°C)
PACKAGE
(RoHS Compliant)
PKG.
DWG. #
X9409WV24IZ (No longer available,
X9409WV ZI 2.7 to 5.5 10 -40 to +85 24 Ld TSSOP (4.4mm) M24.173
recommended replacement: X9409WV24IZ-2.7)
X9409WV24IZ-2.7
X9409WV ZG 2.7 to 5.5 10 -40 to +85 24 Ld TSSOP (4.4mm) M24.173
X9409WV24Z (No longer available,
X9409WV Z 2.7 to 5.5 10 -40 to +85 24 Ld TSSOP (4.4mm) M24.173
recommended replacement: X9409WV24IZ-2.7)
X9409WV24Z-2.7 (No longer available,
X9409WV ZF 2.7 to 5.5
recommended replacement: X9409WV24IZ-2.7)
10
0 to +70 24 Ld TSSOP (4.4mm) M24.173
NOTES:
1. Add “T1” suffix for tape and reel. Please refer to TB347 for details on reel specifications.
2. Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate
termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL
classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
3. For Moisture Sensitivity Level (MSL), please see product information page for X9409. For more information on MSL, please see tech brief TB363.
Pin Configuration
X9409
(24 LD TSSOP)
TOP VIEW
SDA
A1
VL1/RL1
VH1/RH1
VW1/RW1
VSS
NC
VW2/RW2
VH2/RH2
VL2/RL2
SCL
A3
1
2
3
4
5
6
7
8
9
10
11
12
24 WP
23 A2
22 VW0/RW0
21 VH0/RH0
20 VL0/RL0
19 VCC
18 NC
17 VL3/RL3
16 VH3/RH3
15 VW3/RW3
14 A0
13 NC
Pin Descriptions
PIN #
11
1
14, 2, 23, 12
21, 4, 9, 16, 20, 3, 10, 17
22, 5, 8, 15
24
19
6
7, 13, 18
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2
SYMBOL
SCL
SDA
A0, A1, A2, A3
VH0/RH0, VH1/RH1, VH2/RH2, VH3/RH3, VL0/RL0, VL1/RL1,
VL2/RL2, VL3/RL3
VW0/RW0, VW1/RW1, VW2/RW2, VW3/RW3
WP
VCC
VSS
NC
DESCRIPTION
Serial Clock
Serial Data
Device Address
Potentiometer Pin (terminal equivalent)
Potentiometer Pin (wiper equivalent)
Hardware Write Protection
System Supply Voltage
System Ground (Digital)
No Connection
FN8192.6
September 3, 2015


Features Datasheet pdf DATASHEET Low Noise/Low Power/2-Wire Bu s Quad Digitally Controlled Potentiomet ers (XDCP™) X9409 The X9409 integrat es 4 digitally controlled potentiometer s (XDCP) on a monolithic CMOS integrate d microcircuit. The digitally controlle d potentiometer is implemented using 63 resistive elements in a series array. Between each element are tap points con nected to the wiper terminal through sw itches. The position of the wiper on th e array is controlled by the user throu gh the 2-wire bus interface. Each poten tiometer has associated with it a volat ile Wiper Counter Register (WCR) and 4 nonvolatile Data Registers (DR0:DR3) th at can be directly written to and read by the user. The contents of the WCR co ntrols the position of the wiper on the resistor array through the switches. P ower-up recalls the contents of DR0 to the WCR. The XDCP can be used as a thre e-terminal potentiometer or as a two-te rminal variable resistor in a wide vari ety of applications including control, parameter adjustments and .
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